#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include<cwindow.h>
#define High 15
#define Width 20
int ball_x,ball_y;
int ball_vx,ball_vy;
int canvas[High][Width] = {0};
void gotoxy(int x,int y)
{
	HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
	COORD pos;
	pos.X = x;
	pos.Y = y;
	SetConsoleCursorPosition(handle,pos);
}
void startup()
{
	ball_x = 0;
	ball_y = Width/2;
	ball_vx = 1;
	ball_vy = 1;
	canvas[ball_x][ball_y] = 1;
}
